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Betriebs KG In-Reply-To: References: <495cb5d4-f956-4f4a-a875-1e67e9489510@rowland.harvard.edu> <22131556.EfDdHjke4D@n95hx1g2> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DB5PEPF00014B88:EE_|DU2PR07MB8143:EE_ X-MS-Office365-Filtering-Correlation-Id: b4ea3fd5-b668-45b4-9e56-08dbfae8975a X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:217.111.95.7;CTRY:DE;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mta.arri.de;PTR:ErrorRetry;CAT:NONE;SFS:(13230031)(4636009)(346002)(376002)(136003)(39850400004)(396003)(230922051799003)(230173577357003)(230273577357003)(451199024)(186009)(82310400011)(64100799003)(1800799012)(46966006)(36840700001)(41300700001)(81166007)(82740400003)(8676002)(8936002)(86362001)(316002)(33716001)(70206006)(6916009)(54906003)(70586007)(478600001)(356005)(2906002)(16526019)(36916002)(426003)(40480700001)(336012)(9686003)(26005)(5660300002)(9576002)(83380400001)(47076005)(4326008)(36860700001)(36900700001);DIR:OUT;SFP:1102; X-OriginatorOrg: arri.de X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Dec 2023 08:01:48.0930 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b4ea3fd5-b668-45b4-9e56-08dbfae8975a X-MS-Exchange-CrossTenant-Id: e6a73a5a-614d-4c51-b3e3-53b660a9433a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e6a73a5a-614d-4c51-b3e3-53b660a9433a;Ip=[217.111.95.7];Helo=[mta.arri.de] X-MS-Exchange-CrossTenant-AuthSource: DB5PEPF00014B88.eurprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DU2PR07MB8143 Hi Alan, On Monday, 11 December 2023, 17:21:56 CET, Alan Stern wrote: > On Mon, Dec 11, 2023 at 11:40:38AM +0100, Christian Eggers wrote: > > Last week I upgraded within the 5.15-stable branch. Since upstream commit > > 85d07c556216 ("USB: core: Unite old scheme and new scheme descriptor reads"), > > there are problems detecting a directly attached USB hub. I identified this > > commit by bisecting and get the same result during upgrading within the 6.1-stable > > branch. > > > > Hardware: ARMv7 NXP i.MX6ULL with directly attached USB hub (Microchip USB4916). > > Log messages: > > > > [ 6.150881] usb 1-1: new high-speed USB device number 2 using ci_hdrc > > [ 6.215484] usb 1-1: device descriptor read/8, error -71 > > [ 6.377532] usb 1-1: device descriptor read/8, error -71 > > Is the old_scheme_first module parameter for the usbcore module set? > > That and the USB_PORT_QUIRK_OLD_SCHEME are the only things I can see > which would cause those errors -- and apparently this quirk never gets > set in current kernels. that was the problem! In previous attempts to reduce the boot time of my system I have set USB_PORT_QUIRK_OLD_SCHEME for specific combinations of bus/port numbers. After reverting this, the warnings don't appear anymore, so everything is fine now. Thanks for identifying the problem and sorry for the noise. regards, Christian